Home / 11,278,176.94-15,563,899.88-6,121,539.55

Finding the Fourth Proportional to 11,278,176.94, 15,563,899.88 and 6,121,539.55

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Solution

The fourth proportional to 11,278,176.94, 15,563,899.88 and 6,121,539.55 is: 8,447,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278,176.94 : 15,563,899.88 = 6,121,539.55 : x
  2. Step 2: Convert to fraction form
    11,278,176.94/15,563,899.88 = 6,121,539.55/x
  3. Step 3: Cross multiply
    11,278,176.94x = 15,563,899.88 × 6,121,539.55
  4. Step 4: Simplify right side
    11,278,176.94x = 95,275,028,667,660.25
  5. Step 5: Solve for x
    x = 95,275,028,667,660.25/11,278,176.94
  6. Step 6: Final answer
    x = 8,447,733.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.